The Blueduino Text auto expander and Hotkeys App for Android makes working with your bluetooth-keyboard more efficient and helps you to create texts simpler and faster. With this app you can write text at the same speed as using your PC.
You can define your own shortcuts and also have macros in the text replacements.

Try out this sliding puzzle for Android handheld devices. It's simple in the way you use it, yet challenging to finally solve it. The goal of the game is to put all pieces together such that each is next to the fitting neighbor tile.
You can achieve this by moving a triangle with your finger - either clockwise around one corner or counter-clockwise around the other corner.